Linux · Amazon Linux · Security advisory · September 10, 2025

ALAS2023-2025-1189: microcode_ctl security update

ALAS2023-2025-1189, released September 10, 2025, fixes 5 CVEs in microcode_ctl (version 2:2.1-53.amzn2023.0.12). None of them is reported as exploited. Patch Radar priority: High.

High
CVEs closed
5
None rated Critical
Exploited
0
None reported
Highest CVSS
7.8
Base score, 0 to 10
Highest EPSS
0.0043
37th percentile

Priority of the 5 CVEs

Patch now 0 Urgent 0 High 1 Routine 4

Fixed package versions

ProductReleaseFixed in
microcode_ctlamzn 20232:2.1-53.amzn2023.0.12

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
High CVE-2024-28956 kernel-64kb: The SUSE Linux Enterprise 15 SP6 kernel was updated to receive various security bugfixes. The following security bu...7.8 0.0043 None reported
Routine CVE-2024-45332 ucode-intel: This update for ucode-intel fixes the following issues: Intel CPU Microcode was updated to the 20250512 release (bsc...5.6 0.0027 None reported
Routine CVE-2025-20054 intel-microcode: Uncaught exception in the core management mechanism for some Intel(R)Processors may allow an authenticated user to po...n/a 0.0019 None reported
Routine CVE-2025-20103 intel-microcode: Insufficient resource pool in the core management mechanism for someIntel(R) Processors may allow an authenticated us...n/a 0.0018 None reported
Routine CVE-2025-20109 intel-microcode: Improper Isolation or Compartmentalization in the stream cache mechanismfor some Intel(R) Processors may allow an aut...n/a 0.0015 None reported
Showing 1 to 5 of 5 1

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